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' 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798 1620 Fax 925 798-1622 <br /> ' bttp Hwww mccangibell com E marl mam@mccarmbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0308234 <br /> ' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 8198 Spiked Sample ID 0308250-012A <br /> Sample Spiked MS` MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Cnteria(%} <br /> 1pg/L pg/L % Rec % Rec %RPD % Rec % Rec %RPD Law Hlgh <br /> TPH(btex)£ ND 60 102 992 273 963 955 0 880 70 130 <br /> 1 MTBE ND 10 102 104 202 953 945 0 796 70 130 <br /> Benzene ND 10 978 972 0 553 965 953 124 70 130 <br /> Toluene ND 10 101 999 0 655 98 977 0 375 70 130 <br /> ' Ethylbenzene ND 10 102 101 128 101 991 164 70 130 <br /> Xylenes ND 30 103 103 0 100 100 0 70 130 <br /> 1 %SS 107 100 100 101 0 606 100 101 0 842 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> 1 NONE <br /> lie <br /> 1 � <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample t_CSD=Laboratory Control Sample Duplicate RPD=Relahve Percent <br /> 1 Deviation <br /> %Recovery=100"(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)1(MS+MSD)•2 <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> 1 analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> i <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> I <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate I <br /> NR=analyte tonoentraLon in sample exceeds spike amount for soli matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyle content <br /> r ill I4 ' I I <br /> i I i <br />